Powell PowlVac 1200, Руководство пользователя

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29 Operating Procedures
01.4IB.50026A
8. Unplug the remote control box from the
120V power supply.
9. Move the control selector switch from
“Open” to the “Off” position.
10. Disconnect the remote control box
umbilical cord from the ground and test
device.
11. Rotate key KCF in key lock K1. The switch
associated with K1 opens. The “Close”
control circuit of the ground and test device
now electrically disabled. The KCF key is
now captive and has electrically locked
the ground and test device in the “Open”
position. Key KB is now removable.
12. Transfer key KB to key lock K2. Fully depress
the manual trip operator and rotate key
KB (Figure 12). The ground and test device
is now mechanically locked in the “Open”
position. Key KB is now captive and key KC
is now removable.
13. Transfer key KC to key lock K3 and rotate.
The key KC is now captive. Pull the racking
access shutter fully down. The ground
and test device racking input shaft is
now accessible. Key lock K3 is block from
operation with the racking access shutter in
the down position.
14. Install the racking handle, and rotate
the handle counterclockwise to move
the ground and test device into the
“disconnected” position. The disconnected
position is indicated by the racking
mechanism encountering a positive stop.
The racking handle is also equipped with an
input torque limiter that will indicate limit
to the operator by a mechanical ratcheting
mechanism for positive operator feedback.
Remove the racking handle.
15. Rotate key KC to lock the ground and test
device in the disconnected position. Key
KC is now released.
16. Transfer key KC to key lock K2. Fully depress
the manual trip operator and rotate key KC.
Release the manual trip operator. The key
KC is now captive and key KB is released.
17. Transfer key KB to key lock K1 (Figure 20)
and rotate. The ground and test device
control circuit is now enabled. Key KB is
now captive and key KCF is now released.
18. Remove the ground and test device from
the compartment.
19. Remove key KCF from key lock K1
(Figure 21).
20. Secure key KCF in lock box on premises.
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Perform steps 1 through 10 of
Ch 5 Operating
Procedures , A. A
pplyInG
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round
prior to the
following:
1. Verify that the control selector switch on
the front of the ground and test device is in
the “Off” (center) position (Figure 16).
2. Connect the umbilical cord of the remote
control box to the ground and test device
(Figure 17). Ensure the cord is locked into
the connected position by turning the plug
clockwise.
3. Move the control selector switch from the
“Off” position to the “Close” position.
4. From a safe distance, connect the ground
and test device remote control box to a
120VAC, 15 ampere power supply.
5. Depress the “Close” push button switch
on the control box (Figure 19) to close the
ground and test device ground making
switch.
6. Unplug the remote control box from the
120V power supply.
7. Move the control selector switch from the
“Close” position to the “Off” position.
8. Disconnect the control box umbilical cord
from the ground and test device.
9. Rotate key KCF in key lock K1 to electrically
lock the ground and test device in the
“Closed” position.
10. Transfer key KB to key lock K4. Depress the
manual trip blocking lever. Rotate key KB.
The KB key is now captive and key KD is
released.